Optical element mounted body and optical semiconductor module using the same

Abstract

An optical element mounted body is disclosed. The optical element mounted body comprising: an optical semiconductor element having a light-emitting/light-receiving portion and a predetermined structure formed on a primary surface thereof; and a substrate having a mounting surface; wherein said substrate has a first hollow formed on said mounting surface, and wherein said optical semiconductor element is mounted junction-down on said substrate such that said structure of said optical semiconductor element and said first hollow of said substrate face each other.

1. An optical element mounted body comprising:
 an optical semiconductor element having a light-emitting/light-receiving portion and a projection in the vicinity of an edge and/or along a V-groove marker on a primary surface thereof; and  
 a substrate having a mounting surface formed with a first hollow;  
 wherein said optical semiconductor element is mounted junction-down on said substrate such that said projection of said optical semiconductor element and said first hollow of said substrate are positioned to oppose one another.  
 
   
   
     2. The optical element mounted body according to  claim 1 , wherein said V-groove marker is formed with a predetermined positional relation to said light-emitting/light-receiving portion. 
   
   
     3. The optical element mounted body according to  claim 2 , wherein said V-groove marker is used as an alignment marker when aligning said light-emitting/light-receiving portion on said substrate. 
   
   
     4. The optical element mounted body according to  claim 1 , wherein said first hollow receives said projection. 
   
   
     5. The optical element mounted body according to  claim 1 , further comprising:
 a second hollow extending in parallel to a light-emitting/light-receiving direction of said light-emitting/light-receiving portion which is used as an alignment marker when aligning said substrate to a package.  
 
   
   
     6. The optical element mounted body according to  claim 5 , wherein said second hollow is a V-groove. 
   
   
     7. The optical element mounted body according to  claim 5 , wherein said first hollow extends in parallel to a light-emitting/light-receiving direction of said light-emitting/light-receiving portion. 
   
   
     8. The optical element mounted body according to  claim 1 , wherein said substrate is made of silicon. 
   
   
     9. The optical element mounted body according to  claim 8 , wherein said first hollow includes etched walls. 
   
   
     10. The optical element mounted body according to  claim 8 , wherein said first hollow is not less than 10 μm in width, and not less than 5 μm in depth. 
   
   
     11. The optical element mounted body according to  claim 1 , wherein said projection is composed of a semiconductor. 
   
   
     12. The optical element mounted body according to  claim 11 , wherein said projection is comprised of crystal growth. 
   
   
     13. An optical module comprising:
 an optical semiconductor element having a light-emitting/light-receiving portion and a projection generated in the vicinity of an edge and/or along a V-groove marker on a primary surface thereof;  
 a substrate having a mounting surface;  
 an optical component optically coupled to said optical semiconductor element; and  
 a package housing said optical semiconductor element and said substrate;  
 wherein said substrate has a first hollow formed on said mounting surface, and  
 wherein said optical semiconductor element is mounted junction-down on said substrate such that said projection of said optical semiconductor element and said first hollow of said substrate are positioned to oppose one another.  
 
   
   
     14. The optical module according to  claim 13 , wherein said projection has a predetermined positional relation to said light-emitting/light-receiving portion. 
   
   
     15. The optical module according to  claim 13 , wherein said first hollow receives said projection. 
   
   
     16. The optical module according to  claim 13 , wherein said substrate is made of silicon.